Howto install a content filtering and virus checking proxy

Monday, 14 May 2007, 6:35 PM EST

Commercial filters are often expensive, especially when used on a large number of computers, as would be the case in a school computer lab or in small or medium companies with computer networks. In contrast, open source filters are generally freely available for download. In addition, since commercial filters are proprietary, in many cases the system administrator does not have the opportunity to modify or even view the lists of blocked sites.

At Linux Tip.

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Attackers use reflection techniques for larger DDoS attacks

Posted on 17 April 2014.  |  Instead of using a network of zombie computers, newer DDoS toolkits abuse Internet protocols that are available on open or vulnerable servers and devices. This approach can lead to the Internet becoming a ready-to-use botnet for malicious actors.


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